Love this map, have had it running on my server for a while now.
I found two issues :)
Transparent balcony on both Spire and Spire Test
https://dl.dropboxusercontent.com/u/48982799/2014-04-27_00001.jpg
Sometimes you can get stuck on the floor on endif, usually occurs after falling from really high.
https://dl.dropboxusercontent.com/u/48982799/2014-04-27_00002.jpg
Great work buddy, lots of fun.